Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D944482 | Bucket handle assembly | — | 2022-02-22 |
| 10472130 | Bucket handle assembly | — | 2019-11-12 |
| D556466 | Stool | — | 2007-12-04 |
| D556355 | Lamp | — | 2007-11-27 |
| D541068 | Chair | — | 2007-04-24 |
| D522258 | Chair | — | 2006-06-06 |
| D517827 | Chair | — | 2006-03-28 |
| 6746086 | Bench with modular structure | — | 2004-06-08 |
| D473634 | Bathtub | — | 2003-04-22 |
| D470579 | Bathtub | — | 2003-02-18 |
| D462996 | Pen holder | — | 2002-09-17 |
| D459758 | Paper clip holder | — | 2002-07-02 |
| 6352169 | Bucket handle | — | 2002-03-05 |
| D445574 | Seating for waiting areas | — | 2001-07-31 |
| D434167 | Modular lighting system | — | 2000-11-21 |
| D416313 | Public toilet facility | — | 1999-11-09 |
| D409759 | Shelter for public transport users | — | 1999-05-11 |
| 5464556 | Composition for the paint spray treatment using secondary alcohol esters in water | Edwin C. Zuerner, Robert R. Ratzelt | 1995-11-07 |
| 5397496 | Composition for the treatment of overspray in paint spray booths containing secondary alcohol esters | Edwin C. Zuerner, Robert A. Patzelt | 1995-03-14 |
| 5328105 | Transportable processing unit capable of receiving various chemical materials to produce an essentially homogeneous admixture thereof | Donald Sims | 1994-07-12 |
| 5254256 | Process for reclamation and treatment of paint overspray treatment compositions | Edwin C. Zuerner, Robert R. Petzeit | 1993-10-19 |
| D336136 | Shelter | — | 1993-06-01 |
| D334775 | Combined information and advertising column | — | 1993-04-13 |
| 5200104 | Composition for the treatment of overspray in paint spray booths | Edwin C. Zuerner, Robert R. Patzelt | 1993-04-06 |
| 5198143 | Composition for the treatment of overspray in paint spray booths containing secondary alcohol esters and surfactants | Edwin C. Zuerner, Robert A. Patzelt | 1993-03-30 |